Fit & sizing /

Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorized Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.

Display measurements in

Geometry

S

M

L

XL

Actual Frame Size

S

M

L

XL

ASeat tube

50.3cm

52.9cm

55.3cm

57.8cm

BSeat tube angle

78.0 °

78.0 °

78.0 °

78.0 °

CHead tube length

6.5cm

9.0cm

11.5cm

14.0cm

DHead angle

72.2 °

72.5 °

72.5 °

72.5 °

EEffective top tube

49.5cm

51.8cm

54.1cm

56.5cm

GBottom bracket drop

8.0cm

8.0cm

8.0cm

8.0cm

HChainstay length

40.0cm

40.0cm

40.0cm

40.0cm

IOffset

4.5cm

4.5cm

4.5cm

4.5cm

JTrail

6.1cm

6.0cm

6.0cm

6.0cm

KWheelbase

96.1cm

98.5cm

101.0cm

103.7cm

LStandover

75.0cm

77.5cm

79.9cm

82.3cm

MFrame reach

39.0cm

40.8cm

42.6cm

44.5cm

NFrame stack

49.2cm

51.7cm

54.1cm

56.5cm

Seat height minimum

58.9cm

61.5cm

63.9cm

66.4cm

Seat height maximum

79.1cm

81.7cm

84.1cm

86.6cm

S

M

L

XL

Actual Frame Size

S

M

L

XL

ASeat tube

19.80"

20.83"

21.77"

22.76"

BSeat tube angle

78.0 °

78.0 °

78.0 °

78.0 °

CHead tube length

2.56"

3.54"

4.53"

5.51"

DHead angle

72.2 °

72.5 °

72.5 °

72.5 °

EEffective top tube

19.49"

20.39"

21.30"

22.24"

GBottom bracket drop

3.15"

3.15"

3.15"

3.15"

HChainstay length

15.75"

15.75"

15.75"

15.75"

IOffset

1.77"

1.77"

1.77"

1.77"

JTrail

2.40"

2.36"

2.36"

2.36"

KWheelbase

37.83"

38.78"

39.76"

40.83"

LStandover

29.53"

30.51"

31.46"

32.40"

MFrame reach

15.35"

16.06"

16.77"

17.52"

NFrame stack

19.37"

20.35"

21.30"

22.24"

Seat height minimum

23.19"

24.21"

25.16"

26.14"

Seat height maximum

31.14"

32.17"

33.11"

34.09"

Get fit with Trek Precision Fit

Visit your Trek retailer for a personal fitting. It's the best way to improve your performance on the bike.